Hexagonal Hollow Stopper with Flat End, 19/26, Borosilicate Glass Neulog_Accessories with holes at 25mm intervals

with holes at 25mm intervals for hanging masses during torque

orthopedics

Hand-cranked pulley steps up to a smaller dynamo pulley through a rubber belt

Interlocking polypropylene test tube rack holding 24 tubes up to 25 mm with a fold-up grid

Handmade wooden spice rack holds twelve 6-inch borosilicate glass test tubes with caps and includes a filling funnel for kitchen-to-lab cross-over gifting

Hexagonal Hollow Stopper with Flat End, 19/26, Borosilicate Glass Neulog_Accessories with holes at 25mm intervalsHexagonal hollow stopper in borosilicate glass features 19 26 cone with flat end for sealing ground joint vessels and chemistry apparatus.